Cartier Santos de Cartier Large Skeleton Steel & Black ADLC Watch WHSA0027. Stainless steel & black ADLC coated steel 47.5mm x 39.7mm case and bezel all on a steel bracelet and comes complete with complimentary grey alligator strap. This men's watch features a black skeleton dial with luminescent coating. Synthetic sapphire crystal glass and water resistant up to 100m. Power reserve up to 72 hours. Manual-wind movement.